Dayco 70939 Radiator Coolant Hose

Durable Radiator Coolant Hose for Multiple Vehicle Makes

The Dayco Curved Radiator Hose 70939 is engineered to provide reliable coolant flow for a variety of vehicles including Chevrolet, Dodge, Ford, Kia, Mazda, Mitsubishi, and Toyota models. Designed with precision, this radiator coolant hose ensures consistent performance under demanding engine conditions.

• Constructed from high-quality EPDM material for heat and chemical resistance
• Black color with a curved design for optimal fit and routing
• Uniform inside diameter of 1 9/32 inches on both ends
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Single inside diameter hose type with a trunk height of 12 inches

About the Dayco Curved Radiator Hose Product Line

The Curved Radiator Hose line by Dayco focuses on delivering hoses that accommodate specific engine layouts requiring curved coolant pathways. This product line emphasizes durability and precise fitment, reducing the risk of leaks and coolant loss. The 70939 part number is part of this line, designed to meet stringent SAE standards for radiator hoses.

Product Details and Specifications

This radiator coolant hose is made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals, making it suitable for long-term use in automotive cooling systems. Both ends of the hose have an inside diameter of 1 9/32 inches, ensuring a consistent seal and fit. The hose does not include a heat shield or protective sleeve, focusing on straightforward installation and compatibility. Its trunk height measures 12 inches, providing the necessary length for proper routing in compatible vehicles.

Compatible Vehicles and Common Applications

• Chevrolet 4Runner and Pickup models
• Dodge Challenger and B2000
• Ford Courier and Chevette
• Kia Spectra and Spectra5
• Mazda B2000 and Pickup
• Mitsubishi Colt and Van
• Toyota Cressida and 4Runner

Installation Notes and Tips

Ensure the engine is cool before removing the old radiator hose to prevent burns. Verify the inside diameter and length match the original hose to maintain proper coolant flow. Use appropriate clamps to secure the hose ends and check for leaks after installation. The Dayco 70939 hose does not include a heat shield or protective sleeve, so inspect surrounding components for potential abrasion points.

Quality Assurance and Standards Compliance

The Dayco Curved Radiator Hose 70939 complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring it meets industry requirements for durability and performance. Manufactured with EPDM material, this hose is designed to withstand typical automotive cooling system conditions. Warranty information is provided by Dayco and should be confirmed at the point of purchase.